APPARATUS FOR MEASUREMENT OF CURRENT AND TRIP-TIME IN MAGNETIC VERIFICATION BENCH FOR MCB's.

This apparatus consist of following:

• 0- Timer 9.99 second least count 0.01 sec. for controlling the current duration.
• The supply sources up to 400 A (LOW VOLTAGE).
• Digital time interval meter .9999 seconds. 0.0001 sec. for trip time & Auto reset.
• Time sensing through Resistance of high accuracy (i.e., 0.1) in series with current source of 5 A to eliminate the delay which is present in the secondary side of C.T. circuit.

This signal is to be used for feeding transient meter T/M needs presence of signal for 1 m/S. to register current measurement correctly. This current recording is possible. Transient meter for measurement of current duration and trip time measurement.

• 4 terminal 0.5%, 0.1-ohm resistor.
• Digital Ampere Meter Shunt operated hold on facility 750 A/50 mVolt.
• Mounting station for MCB.
• Digital Ampere Meter
• Complete system is housed in powder coated chassis.
• Current source up to 700 Amps.